package com.itheima.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itheima.pojo.Sku;
import org.apache.ibatis.annotations.Select;

public interface GoodsMapper extends BaseMapper<Sku> {
    @Select("select count(1) from tb_sku")
    Integer getTotal();
}
